OSO, Wash. — Tuesday marks the eighth anniversary of the deadliest landslide in United States’ history. At 10:37 a.m. on March 22, 2014, a rain-soaked hillside near Oso, Washington collapsed ...

The small community of Oso, Washington, on Friday inaugurated a memorial honoring the 43 people killed at the site 10 years ago in the deadliest landslide in U.S. history. Hundreds gathered there ...

On March 22, 2014, a hillside above Oso, Washington collapsed, unleashing a torrent of mud and debris that buried the community of Steelhead Haven. Forty-three people lost their lives, making it ...

The landslide ran out over and deposited in the community of Oso. Traces of older landslide scarps and deposits are visible in the hills. Image credit: AP Photo/Washington State Dept of Transportation ...

Memorial at site of deadliest landslide in US history opens on 10th anniversary An estimated 19 million tons of sand and ancient glacial deposits — enough to cover 700 football fields 10 feet (3 ...